Home / 157,857.24-217,803.96-101,345.16

Finding the Fourth Proportional to 157,857.24, 217,803.96 and 101,345.16

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Solution

The fourth proportional to 157,857.24, 217,803.96 and 101,345.16 is: 139,831.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    157,857.24 : 217,803.96 = 101,345.16 : x
  2. Step 2: Convert to fraction form
    157,857.24/217,803.96 = 101,345.16/x
  3. Step 3: Cross multiply
    157,857.24x = 217,803.96 × 101,345.16
  4. Step 4: Simplify right side
    157,857.24x = 22,073,377,174.83
  5. Step 5: Solve for x
    x = 22,073,377,174.83/157,857.24
  6. Step 6: Final answer
    x = 139,831.26

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.